The Adapter,waveguide, cataloged under National Stock Number 5985-00-168-9459, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-168-9459 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.564 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.737 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 2 |
| Style Designator | WAVEGUIDE TO WAVEGUIDE |
| Waveguide Inside Width | 0.940 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.474 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Height | 1.474 INCHES NOMINAL SECOND FLANGE IN |
| Adapter Length | 5.000 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.122 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.122 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Outside Height | 2.310 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.880 INCHES NOMINAL IN |
| Flange Depth | 0.071 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.620 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.352 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.352 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Height | 1.880 INCHES NOMINAL IN |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| SMC572568 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-168-9459 is a Adapter,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-168-9459: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.564 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 0.737 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 2. 23 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.